Loose leaf memorandum book



c; B. IRVING LOOSE LEAF MEMORANDUM BOOK April 25, 1933. 1,905,097

1 I Filed Jan. 28, 1932 INVENTLOR, 1 km/me B. [iv 11y.

ATTORNEYS.

i I Patented Apr. 25, 1933 UNITED STATES PATENT or'rica f CLARENCE B. IRVING, OI KANSAS CITY, IISSOUBI, ASB IG NOB WILSON-JONES ml rm, OI CHICAGO IILINOIS, A CORPORATION 01 WOEUSETTB mesa Laumoaaxmm 300x ute... and January as, as. semi Io. man.

This invention relates to loose leaf-bind-' ers and particularl to memorandum books having loose leaf. eatures and including .a novelly constructed filler which cooperates with the sheet-holding means of the binder in a manner whereby an especially large number of sheetsmay be included in the filler without crowding the holding prongs,

of the sheet-holding means.

Another object of this invention is the A still further object of the instant invention is to rovide a filler sheet for loose leaf memoran um books which has a series of equally spaced tabs of ual width at the bmding mar 'n thereof t e tabs of adjoining sheets 0 the filler being in offset relation, whereby to cause a bmder metal of given size to support a substantially greater number of sheets than would possible under normal conditions.

It is known'in the art that extremely light memorandum books usuall .do not have the loose leaf feature. That is to say, a sheet of the memorandum book filler cannot be removed from the sheet-holding means without actual tearm -out. Another of the in-f.

herent shortcomings of the loose leaf 'memorandum book is the exceptionally great size of the binder metal com aredto the,

" thickness of the filler which t e metal can support, yet allow free manipulation of the sheets. I

It is an object of this invention, therefore, to provide a loose leaf memorandum book to overcome the objections just set down and which provides the aforementioned features by combining a specially formed filler sheet with a novel filler-holding means,

' ported by pron whereby the number of sheets operably supor rings of a given diameter is practica y doubled. I

A yet further object of the instant inve'n-- tion is the contemplation of a filler unit for loose leaf memorandumbooks, the sheetsof whichunitfare temporarily and releasabl held together to facilitate inserting the unit In a memorandum book.

.Minor objects of this invention will ap-.

Fig. 2 is a fragmentary face view of the bindmg-margin end of a filler sheet formed in accordance with the invention.

Fig. 3 is a similar view of the same sheet,

except that the view is of the opposite'side.

Fig. 4 is an edge elevation of a filler unit showing the position of the means for temporaril maintaining the sheets thereof in assemb ed relation.

Fig. 5 is a fra Fig. 6 is an enlarged fragmentary sectional view throu h a: randum book an its er.

Fig. 7 is a fragmentary edge elevation of I the closed binder, and i Fig. 8 is an enlarged; top plan view of the sheet-holdin means Jada ted forv 'use with the sheets il ustrated in 'gs. 2 and 3.

Thebinding material for, a memorandum book embodyingsthis invention might be of any suitable su tanee, and while the cover has herein been illustrated to be flexible in V entary face view of the filler unit shown in Fig. 4.

ortion of the memo;

nature, 'it'is "understood that the binding for,

these memorandum books might be altered to suit the taste.

In the drawing, sides 10 are joined by a back portion 12 to which is aflixecl the sheetholdingmeans .for carrying the com lete filler 14. In this instance the sheetrho din means comprises a pair of coacting meta siarts of a character illustrated in Fig. 8 f tationary rib 16 lies against the inner eur.

face of back portion 12 andis secured in place b rivets 18 and 20 at each end. re

spective y of stationary rib 16. These rivets l8 and 20tpass through backportion 12 and-engage ack plate 22 in a'manner which ably maintaining'the two'ribs in closed redistributes pressure throughout the width of the inder. stationary rib 16 when the sheet-holding means is in a closed position and rib 24' end. of the tworibs 16 and 24 contrlbutes toward creating an vefi'ective means for yieldlation. 'A resilient tongue 26 is formed integ rally with rib 16 andis rebent thereover transversely thereof inlspaced relation thereto so that the'head, of rivet 18 lies between tongue 26 and rib 16. A detent 28 is embossed in swingable rib 24 to engage the head of rivet 18 when the end of rib 24 is forced beneath tongue 26. An upturned lug 30 formed on rib 24 affords a thumbnail ,engageable member whereby to move rib 24 to and from the closed position. A series of -mating prongs 32 having inclined ends 34 are equally spaced apart throughout the length of rib 24 and cooperate with a series of like prongs 36 formed on rib 16 Prongs 36 likewise have inclined ends 38 which are complementary to the ends 34'ofprongs 32' and when the. two ribs'are brought together as shown in Figs. 1, 6 and 7, there is formed a serles of complete mating prongs throughout the length 'of sheet-holding means which are capableof receiving a novelly constructed filler 14.

Y In carrying out one of the concepts of this invention, the filler 14of the loose leaf memorandum book is made up of -a number of filler units 40, each comprising a prewith the sheet size.

determined number of sheets 42 releasably and, temporarily held together by narrow strips of transparent binding or padding adhesive 44, disposed acrossthe edge of each unit adjacent the binding margin 1 thereofsubstantially as illustrated in Figs. 4 and 5. In applying this binder 44, a large number of sheets 42 may be stacked in superimposed relation, the binder applied in any desired manner andjthen the large stock divided into filler units for insertion into the loose leaf book. The number of sheets included in each filler unit 40 may vary in accordance sheets in a small binder andywhere the sheets are formed as herein contemplated,theibind- "er maintains the several sheets 42 of the unit 40 in proper relation. With respect to the construction of the individual sheet 42, the

entire filler 14is made up of superimposed sheets 42 having a binding margin formed as illustrated in detail in Figs. 2 and 3.

Sheets having binding margins .ofthis character allow afsheet-holding means to receive a filler having practically twice as many Swingable rib 24 overlies The use. of such unitsallows quicker lnSBltlQIl of a number. of

sheets as would be possible. with an' ordinary filler. Each .sheet 42 has a binding. margin made up of a series of spaced-apart tabs 46, each tab having a slot 48 formed therethrough forthe'reception of the aforementioned prongs of the ,sheet-holding means. ,Tabs 46 are of equal width and are;

equally spaced apart, and while slots 48 of any one sheet 42 are being engaged by every other prong-32 andv 36,- the intermediateprongs 32 and 36 pass between tabs 46 of that particular sheet to engage the slots 48 1 and tabs 46 formed at the binding margm of the next adjoining sheet In the manufacture of sheets 42, the same may have their binding margins formed" I alike so that a tab 46 ,is at one edge thereof,

while a tab 46 at the opposite edge thereof is spaced therefrom a distance equal to the width'thereof. In other words, the sheet is turned over to cause the tabs 46 to be in offsetrelation with the tabs 46 of the sheet next adjoining. Maintaining the width of tabs 46 and the distance between thesame sub stantially identical presents an unbroken binding margin in so far as appearance is concerned. There are no gaps. tobeseen when viewing the filler and its bindin margin appears to be the same as the binding margin of the ordinary. filler without the especially formed margin. Matin prongs of the filler is turned from one cover 0 the 'binder toward the other, the freedom re quired atthe bindingmargin' is afi'orded by movement of tabs 46 into the spaces therebetwen.

32 and 38 may be filled ,to capacity, as i-llustrated in Figs. 6 and- .7, yet, when any'fpart Since the sheets 42 'of each filler unit 40.

are maintained in proper relation by thev binder 44, and in View. of the fact there are "but five or six of theserfiller units 40 in a I complete filler 14, itis virtually impossible to load the sheet-holding means in any but I the proper manner. In other'words, regardless of how the filler 14 is placed upon prongs 32 and 36, it. is ossible to have a sheets as would be possible with a filler having the ordinary binding margin. The binder 44 holdsthe sheets filler unit 40 just enough to keep-them from 42 of each filler of substantially tw1ce the number'of offsetting or coming apart during handling up to the time the insertion-is completed. After this, turning of the individual sheets apart and binder 44 becomes non-effective. J Having thus described'the invention, what is claimed asnew anddesired to be secure by Letters Patent is:

42 will immediately cause them to ."break 1.- In a looseleafmemorandum book,sheet holding means; a filler carried by said means comprising a plurality of filler units, .each 1 .unit including a number of superimposed" heet's all, engaged by the holding means;

and binding means comprising a narrow strip of adhesive at the ed of each unit for releasably maintaining t e sheets there-" of in associated relation.

2. In a loose leaf memorandum book;

sheet-holding means; a filler carried by said means comprisin a plurality of filler units, each unit including a number of superimposed sheets, each sheet of a unit having a binding margin of a series of spaced-apart tabs, the tabs of adjoining sheets being in ofiset relation; and binding means across each side edge of a unit adjacent said binding margin to maintain the tabs ofthe unit sheets in proper offset relation. 1

3. In a loose leaf memorandum book, a filler comprising a number of superimposed .filler units; and means at the edge of each filler unit for temporarily holding together the several sheets of each unit, said means comprising a narrow transverse strip of material separably secured to each filler unit on opposite side edges and near one end thereof.

4. In alooseleaf memorandum book, a filler comprising a number of superimposed filler units; releasable means for temporarily holding together the several sheets of each filler unit; and a series of equally spaced tabs of equal width at the binding margin of each unit sheet, said releasable holding means being across an edge thereof adjoin-' ing the binding edge and adjacent thereto.

5. A filler for loose leaf books comprising a. plurality of superimposed sheets; and

means setting of! within said filler units of a predetermined number of said sheets, said means temporarily holding together the sheets of each unit and consisting of a narrowstrip of adhesive extending transversely across opposite edges of each unit near one adhesive along an edge of each unit adjacent the binding margin thereof.

7. A filler for loose leaf books comprisin a plurality of superimposed sheets; an means setting off within said filler units of a predetermined number of said sheets,

said means temporarily holding together" the sheets of each unit, and consistin of a. relatively narrow strip ofpadding ad esive along opposite edges of each unit at a point spaced apart from the thereof.

In testimony signature.

binding margin whereof, I hereunto aflizi my CLARENCE B; IRVING. 

